Megabytes to Kilobytes
Convert Megabytes to Kilobytes instantly. Free online digital storage unit converter with exact formula, conversion table and FAQ.
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Formula
KB = MB × 1,000
MB = KB ÷ 1,000
Conversion table
| 1 MB | 1,000 KB |
| 5 MB | 5,000 KB |
| 10 MB | 10,000 KB |
| 20 MB | 20,000 KB |
| 50 MB | 50,000 KB |
| 100 MB | 100,000 KB |
| 500 MB | 500,000 KB |
| 1000 MB | 1,000,000 KB |
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Frequently asked questions
What is the source unit in this conversion?
The source unit is the megabyte (MB), a decimal unit of digital storage equal to 1,000 kilobytes, or 10^6 bytes.
What is the destination unit in this conversion?
The destination unit is the kilobyte (KB), a decimal (SI) unit of digital storage equal to 1,000 bytes, or 8,000 bits.
How do I convert megabytes to kilobytes?
Multiply the megabyte value by 1,000 to get kilobytes. For example, 4 MB × 1,000 = 4,000 KB.
Is the megabyte to kilobyte conversion exact?
It's exact under the decimal (SI) definitions used here, where each decimal storage prefix is a fixed factor of 1,000 from the next (and bytes are a fixed factor of 8 from bits).
Where is this conversion commonly used?
It's used for describing file sizes, storage drive capacity, RAM, network bandwidth, and internet data plans or downloads.
Can I convert kilobytes back to megabytes?
Yes. Divide the kilobyte value by 1,000 to get megabytes.
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About this conversion
This page converts megabytes (MB), a decimal unit of digital storage equal to 1,000 kilobytes, or 10^6 bytes, into kilobytes (KB), a decimal (SI) unit of digital storage equal to 1,000 bytes, or 8,000 bits.
This conversion is used constantly when checking file sizes, storage drive and memory capacity, network bandwidth, and mobile or broadband data plan allowances.
The formula is KB = MB × 1,000, based on the fixed relationship between these two digital storage units.
It's exact under the decimal (SI) definitions used here, where each decimal storage prefix is a fixed factor of 1,000 from the next (and bytes are a fixed factor of 8 from bits).
Digital storage prefixes follow the International System of Units (SI) for decimal units and the International Electrotechnical Commission (IEC) recommendations for binary units, keeping decimal and binary quantities unambiguous.